[Libav-user] RTP H.264 private data
silvo at gmx.net
Tue May 5 23:25:39 CEST 2015
Am 05.05.2015 um 22:43 schrieb Info || Non-Lethal Applications:
> Hi guys,
> I’m sending an H.264 stream from the Mac to an iOS device using OpenH264 and RTP and it works great.
> I was wondering if there’s a chance to add private data to the packets so I could add some info in order to know the exact delay of the stream?
> I thought about adding a timestamp of the source machine to every packet.
If you are using RTCP packets within the RTP based stream, you could
extract the NTP timestamps from RTCP packets of the source and (if the
clock at sender side is correct) conclude the transmission delay.
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